Toyota Tundra. Manual — part 445

B: Go TO CAN COMMUNICATION SYSTEM (See DIAGNOSIS SYSTEM )

A: Go to Next Step

2. CHECK OUTER REAR VIEW MIRROR ASSEMBLY

a. Operate the retract switch, and check that the outer rear view mirror operates.

Result

OUTER REAR VIEW MIRROR ASSEMBLY RESULT CHART

B: Go to step 6

C: Go to step 8

A: Go to Next Step

3. READ VALUE OF TECHSTREAM (MIRROR RETRACT SWITCH)

a. Check the DATA LIST for proper functioning of the mirror retract switch.

Techstream

Main Body

MIRROR RETRACT SWITCH TECHSTREAM DATA LIST

NG: Go to step 10

OK: Go to Next Step

4. CHECK HARNESS AND CONNECTOR (OUTER MIRROR CONTROL ECU - BATTERY,

BODY GROUND)

a. Disconnect the N7 ECU connector.

b. Measure the resistance according to the value(s) in the table below.

Standard resistance

Result

Proceed to

Neither side operates

A

LH side does not operate

B

RH side does not operate

C

Tester Display

Measurement Item/Range

Normal Condition

Diagnostic

Note

Outer mirror fold

SW

Mirror retract switch signal / ON
or OFF

ON: Switch is ON
(retracting)
OFF: Switch is OFF

-

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Mirror - Tundra

HARNESS AND CONNECTOR (OUTER MIRROR CONTROL ECU - BATTERY, BODY
GROUND) TESTER CONNECTION SPECIFIED CONDITION CHART

c. Measure the voltage according to the value(s) in the table below.

Standard voltage

HARNESS AND CONNECTOR (OUTER MIRROR CONTROL ECU - BATTERY, BODY
GROUND) TESTER CONNECTION SPECIFIED CONDITION CHART

Fig. 25: Identifying N7 ECU Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to Next Step

5. CHECK OUTER MIRROR CONTROL ECU (OPERATION)

a. Temporarily replace the outer mirror control ECU with a normal one. (see DISASSEMBLY )

b. Check that the outer rear view mirror operates normally.

OK: Outer rear view mirror operates normally.

NG: REPLACE MAIN BODY ECU

Tester Connection

Condition Specified Condition

N7-9 (GND) - Body ground Always

Below 1 ohms

Tester Connection

Switch Condition

Specified Condition

N7-3 (B) - Body ground

Always

11 to 14 V

N7-4 (ACC) - Body ground

Ignition switch LOCK

Below 1 V

Ignition switch ACC

11 to 14 V

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Mirror - Tundra

OK: END (OUTER MIRROR CONTROL ECU IS DEFECTIVE)

6. INSPECT OUTER REAR VIEW MIRROR LH

a. Remove the mirror LH (see REMOVAL ).

b. For each mirror position: Disconnect the battery, set the mirror position by hand, connect the

battery, and check the retractable mirror's movement.

OK

OUTER REAR VIEW MIRROR LH MEASUREMENT CONDITION SPECIFIED
CONDITION CHART

NOTE:



Disconnect and reconnect the battery once between each mirror
position check.



The mirror position cannot be changed manually when the
battery is connected. To change the mirror position manually,
the battery must be disconnected first.

Measurement Condition

Mirror Position

Specified Condition

Battery positive (+) -->

Terminal 7 (MR)

Battery negative (-) -->

Terminal 8 (MF)

Forward position (A)

Moves from (A) to
retracted position (E)

Battery negative (-) -->

Terminal 7 (MR)

Battery positive (+) -->

Terminal 8 (MF)

Forward position (A)

Does not move

Battery positive (+) -->

Terminal 7 (MR)

Battery negative (-) -->

Terminal 8 (MF)

Position between forward position (A)
and driving position (C)

Moves from (B) to
retracted position (E)

Battery negative (-) -->

Terminal 7 (MR)

Battery positive (+) -->

Terminal 8 (MF)

Position between forward position (A)
and driving position (C)

Moves from (B) to forward
position (A)

Battery positive (+) -->

Terminal 7 (MR)

Battery negative (-) -->

Terminal 8 (MF)

Driving position (C)

Moves from (C) to
retracted position (E)

Battery negative (-) -->

Terminal 7 (MR)

Battery positive (+) -->

Terminal 8 (MF)

Driving position (C)

Does not move

Battery positive (+) -->

Terminal 7 (MR)

Battery negative (-) -->

Position between driving position (C)
and retracted position (E)

Moves from (D) to
retracted position (E)

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Mirror - Tundra

Fig. 26: Identifying Outer Rear View Mirror LH Position
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPLACE OUTER REAR VIEW MIRROR LH (see REMOVAL )

OK: Go to Next Step

Terminal 8 (MF)

Battery negative (-) -->

Terminal 7 (MR)

Battery positive (+) -->

Terminal 8 (MF)

Position between driving position (C)
and retracted position (E)

Moves from (D) to driving
position (C)

Battery positive (+) -->

Terminal 7 (MR)

Battery negative (-) -->

Terminal 8 (MF)

Retracted position (E)

Does not move

Battery negative (-) -->

Terminal 7 (MR)

Battery positive (+) -->

Terminal 8 (MF)

Retracted position (E)

Moves from (E) to driving
position (C)

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Mirror - Tundra